题目

某校10名篮球运动员的年龄情况，统计如下表： 年龄/岁12131415 人数/名2431 则这10名篮球运动员年龄的中位数为(    ) A．12  B．13  C．13.5  D．14 答案：BThe new library, ______ last week, is very popular _____ the studentsA.opening, toB.opened, withC.open, toD.having been opened, among